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Reports usages of Guava's functional primitives that can be migrated to standard Java API calls.
<p>For example, the inspection reports usages of classes and interfaces like <code>FluentIterable</code>, <code>Optional</code>, <code>Function</code>,
  <code>Predicate</code>, or <code>Supplier</code>.</p>
<p>Example:</p>
<pre><code>
  ImmutableList&lt;String&gt; results = FluentIterable.from(List.of(1, 2, 3)).transform(Object::toString).toList();
</code></pre>
<p>After the quick-fix is applied:</p>
<pre><code>
  List&lt;String&gt; results = List.of(1, 2, 3).stream().map(Object::toString).collect(Collectors.toList());
</code></pre>
<p>
The quick-fix may change the semantics. Some lazily evaluated Guava iterables can be transformed to eagerly evaluated.
</p>
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